Home / 25,202.52-34,778.97-15,776.28

Finding the Fourth Proportional to 25,202.52, 34,778.97 and 15,776.28

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Solution

The fourth proportional to 25,202.52, 34,778.97 and 15,776.28 is: 21,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.52 : 34,778.97 = 15,776.28 : x
  2. Step 2: Convert to fraction form
    25,202.52/34,778.97 = 15,776.28/x
  3. Step 3: Cross multiply
    25,202.52x = 34,778.97 × 15,776.28
  4. Step 4: Simplify right side
    25,202.52x = 548,682,768.83
  5. Step 5: Solve for x
    x = 548,682,768.83/25,202.52
  6. Step 6: Final answer
    x = 21,770.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.